You can make a batch of Fertilizer that can be added to your crops by combining 3 bones at the camp fire that you'll build as part of the tutorial.
Bones can be acquired as a random drop from the undead roaming about.

You can make a bowl of carrot soup by combining water with 2 carrots
Wild carrots can be found in the prairie biomes.

You can make a big skewer of fresh caught fish by combining 3 fish meat pieces.
You can make a stick of grilled fish by adding 1 fish meat over the camp fire.
You need to gut the fish that you catch in the lake to get the meat, of course.

You can make a bowl of berries by combining 3 huckleberries at the camp fire.

You can make a piece of cooked meat by adding 1 raw piece of meat to the camp fire.
Meat can be acquired by hunting rabbits and deers.

You can make a cup of mint tea by combining 1 water and 2 wild mint leaves
You can make a cup of weak mint tea by combining 2 water and 1 wild mint leaf
You can make a cup of mint tea smooth by combining 1 honey 1 water and 1 wild mint leaf
Wild mint can be found in the prairie biomes and honey can be acquired from bee nests.

You can make a bowl of mushroom soup by combining 2 king bolete and 1 water at the camp fire.
King bolete can be found in the pine forest biomes.

You can make a bottle of syrup by combining 1 honey and 1 vanilla flower at the camp fire.
Vanilla flowers can be found in the prairie biomes.